“Between 40% and 60% of our aging employees will retire in the next five years,” said Mark Sutton, president and CEO of the GPA Midstream Association, as he led off the DUG Midcontinent Conference’s midstream technical forum on Nov. 13. “That’s significant.”

And it’s not just the employees who are old. In the following session, Tauna Rignall of DCP Midstream LP (NYSE: DCP) addressed issues of old work processes. In 2015, in the midst of the most recent downcycle, her company started asking some tough questions.

“Our leadership really looked at this and said, ‘we’ve changed all of our lives with technology,’” said Rignall, director of operations for DCP’s integrated collaboration center. “We do our business from our phones—15 years ago that just wasn’t a thing. Yet we are running our business back in the stone age, per se.”